void pp_stereo_debug(
	// Per fragment parameters
	float2 texCoord : TEXCOORD0,  
	
	// Fragment program constants
	uniform sampler2D cTex0 : TEX0,
	uniform sampler2D cTex1 : TEX1, 
	
	// Output color
	out float4 oCol : COLOR)
{
	float4 t1 = tex2D(cTex0, texCoord);
	float4 t2 = tex2D(cTex1, texCoord);
	if (!any(t1 - t2))
	{
		oCol = (t1 * 0.5) + (t2 * 0.5);
		oCol.g = 0.5 + (oCol.g * 0.5);
	}
	else
	{
		oCol = (t1 * 0.5) + (t2 * 0.5);
		oCol.r = 0.5 + (oCol.r * 0.5);
	}
}